Pulley with two masses

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Wonderful lecturer that makes physics fun and understandable !!!

manuboker

Hi Dr.Anderson,
I am a high school student in Turkey.
I don't understand this topic when i was listen in our physics lesson.
I tried all kind of materials but i wasn't understand.
Today i met with your lessons,
Now i see most of our teachers has been memorize the formulas.
You are the king of against rote system in education.
This is the reason of why me and others in my ages hate physic.
If I didn't met with your videos I could be hater of physic.
I hope one day we will meet.
Thank you for everything
Loves from Anatolia
E.Altintop

thelongjourney

your videos are really helpful, thank you.

bindukurian

Thankk you wo much. Youre so good at explaining

immaemi

Dr. A, I've always wanted to ask this so here I'm doing it finally; do you actually write backwards or is the footage mirrored in post? I thought it had to be the latter but then it struck me that if you were mirroring it in post, then how would the students in your classroom whom you appear to interact with in many of your videos be able to decipher any of what's being written? I know you probably get asked this a lot and is tired of answering them but I would appreciate a reply. Thanks in advance.

kaeez

At 4:33
when m2a and m2g pull in the same direction, how can be both of them positive? seems wrong to me. I have m2a = T - m2g

ValentinA-nxwm

sir, i have one doubt . how tension in both sides of the pulley is same ? then how does the pulley rotate here ? frictionless means the pulley surface and rope plays zero friction each other and the string just slides over pulley without causing it to rotate ? whats the importance of the mass of pulley here ? i felt that the difference in tension is causing the pulley to rotate .help me !

arunfz

Hi Dr. Anderson! i'm confused on one issue in the problem: shouldn't m1g be positive because it is accelerating in the upward y direction?

TaylorSaunderDrums

hello sir, how i can to calculate with out ignoring the friction force of the pulley?

iksanmaulana

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